diff --git a/Realm/RLMApp.mm b/Realm/RLMApp.mm
index f9d31bef02..43323d2420 100644
--- a/Realm/RLMApp.mm
+++ b/Realm/RLMApp.mm
@@ -103,16 +103,7 @@ - (instancetype)init {
         self.enableSessionMultiplexing = true;
         self.encryptMetadata = !getenv("REALM_DISABLE_METADATA_ENCRYPTION") && !RLMIsRunningInPlayground();
         RLMNSStringToStdString(_clientConfig.base_file_path, RLMDefaultDirectoryForBundleIdentifier(nil));
-
-        _config.device_info.sdk = "Realm Swift";
-
-        // Platform info isn't available when running via `swift test`.
-        // Non-Xcode SPM builds can't build for anything but macOS, so this is
-        // probably unimportant for now and we can just report "unknown"
-        auto processInfo = [NSProcessInfo processInfo];
-        RLMNSStringToStdString(_config.device_info.platform_version,
-                               [processInfo operatingSystemVersionString] ?: @"unknown");
-        RLMNSStringToStdString(_config.device_info.sdk_version, REALM_COCOA_VERSION);
+        configureSyncConnectionParameters(_config);
     }
     return self;
 }
@@ -139,7 +130,6 @@ - (instancetype)initWithBaseURL:(nullable NSString *)baseURL
         self.localAppName = localAppName;
         self.localAppVersion = localAppVersion;
         self.defaultRequestTimeoutMS = defaultRequestTimeoutMS;
-        configureSyncConnectionParameters(_config);
     }
     return self;
 }
@@ -153,6 +143,9 @@ static void configureSyncConnectionParameters(realm::app::App::Config& config) {
     config.device_info.sdk = "Realm Swift";
     RLMNSStringToStdString(config.device_info.sdk_version, REALM_COCOA_VERSION);
 
+    // Platform info isn't available when running via `swift test`.
+    // Non-Xcode SPM builds can't build for anything but macOS, so this is
+    // probably unimportant for now and we can just report "unknown"
     auto processInfo = [NSProcessInfo processInfo];
     RLMNSStringToStdString(config.device_info.platform_version,
                            [processInfo operatingSystemVersionString] ?: @"unknown");
diff --git a/Realm/RLMDictionary.h b/Realm/RLMDictionary.h
index 99f98b92aa..9c8cac5386 100644
--- a/Realm/RLMDictionary.h
+++ b/Realm/RLMDictionary.h
@@ -40,6 +40,8 @@ RLM_HEADER_AUDIT_BEGIN(nullability, sendability)
  `RLMDictionary`s cannot be created directly. `RLMDictionary` properties on `RLMObject`s are
  lazily created when accessed, or can be obtained by querying a Realm.
 
+ `RLMDictionary` only supports `NSString` as a key.  Realm disallows the use of `.` or `$` characters within a dictionary key.
+
  ### Key-Value Observing
 
  `RLMDictionary` supports dictionary key-value observing on `RLMDictionary` properties on `RLMObject`
diff --git a/RealmSwift/Map.swift b/RealmSwift/Map.swift
index c76f5787ba..2f5d51a4a7 100644
--- a/RealmSwift/Map.swift
+++ b/RealmSwift/Map.swift
@@ -35,8 +35,8 @@ extension String: _MapKey { }
 
  - Note: Optional versions of the above types *except* `Object` are only supported in non-synchronized Realms.
  
- Map only supports String as a key.
- 
+ Map only supports `String` as a key.  Realm disallows the use of `.` or `$` characters within a dictionary key.
+
  Unlike Swift's native collections, `Map`s is a reference types, and are only immutable if the Realm that manages them
  is opened as read-only.
  
diff --git a/RealmSwift/Object.swift b/RealmSwift/Object.swift
index 8b81fb4258..ab98a5b132 100644
--- a/RealmSwift/Object.swift
+++ b/RealmSwift/Object.swift
@@ -256,10 +256,11 @@ extension Object: _RealmCollectionValueInsideOptional {
      transaction is committed.
 
      If no key paths are given, the block will be executed on any insertion,
-     modification, or deletion for all object properties and the properties of
-     any nested, linked objects. If a key path or key paths are provided,
-     then the block will be called for changes which occur only on the
-     provided key paths. For example, if:
+     modification, or deletion for all object first-level properties of the object.
+     `Object` notifications are shallow by default, any nested property modification
+     will not trigger a notification, unless the key path to that property is specified.
+     If a key path or key paths are provided, then the block will be called for
+     changes which occur only on the provided key paths. For example, if:
      ```swift
      class Dog: Object {
          @Persisted var name: String
@@ -338,10 +339,11 @@ extension Object: _RealmCollectionValueInsideOptional {
      transaction is committed.
 
      If no key paths are given, the block will be executed on any insertion,
-     modification, or deletion for all object properties and the properties of
-     any nested, linked objects. If a key path or key paths are provided,
-     then the block will be called for changes which occur only on the
-     provided key paths. For example, if:
+     modification, or deletion for all object first-level properties of the object.
+     `Object` notifications are shallow by default, any nested property modification
+     will not trigger a notification, unless the key path to that property is specified.
+     If a key path or key paths are provided, then the block will be called for
+     changes which occur only on the provided key paths. For example, i
      ```swift
      class Dog: Object {
          @Persisted var name: String